Personalized Teacher 3rd Grade Apple Youth Long Sleeve T-Shirt. Apple and chalkboard slate design with 3rd Grade Teacher quote comes on a teaching Youth Long Sleeve T-Shirt - Heather gift. Great for back to school, teacher appreciation, and end of year teaching thank you. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)